Finding the Fourth Proportional to 1,453,957.12, 2,006,526.63 and 842,136.58
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Solution
The fourth proportional to 1,453,957.12, 2,006,526.63 and 842,136.58 is: 1,162,186.59
Step by Step Solution
- Step 1: Write the proportion equation
1,453,957.12 : 2,006,526.63 = 842,136.58 : x - Step 2: Convert to fraction form
1,453,957.12/2,006,526.63 = 842,136.58/x - Step 3: Cross multiply
1,453,957.12x = 2,006,526.63 × 842,136.58 - Step 4: Simplify right side
1,453,957.12x = 1,689,769,473,867.13 - Step 5: Solve for x
x = 1,689,769,473,867.13/1,453,957.12 - Step 6: Final answer
x = 1,162,186.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.